Swing 1 1 mi Rosenhain. 



Phil. Trans.. A, Vol. 193, Plale 26. 



Fig. 40. LEAD x 1000. 



Fig. 41. NICKEL x 1000. 



, 



.< 



Fig. 4:5. CADMIUM x 100. 



1'i.s,'. \'2. CADMIUM x 100. 



